Website Development
Next.js App Router vs Pages Router: Architectural Guide
2026-07-09 • 1 min read
Next.js offers two distinct routing architectures: the classic Pages Router and the modern App Router.
The Pages Router relies on file-system paths in a pages directory, using getStaticProps and getServerSideProps for data fetching.
The App Router runs in an app directory, supporting nested layouts, React Server Components, and dynamic fetch caching.
Choose the App Router for new web applications to benefit from layout structures and server component performance.
Maintain existing Pages Router projects if they are stable, migrating pages incrementally to limit regression risks.
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Tags: next.js, routing, app router, pages router, react
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